High-performance Reactive Red Dyes for cotton, viscose, and cellulosic fiber textile applications
EC Number
229-412-0 / 220-000-0 / 248-000-0
Molecular Weight
1338.1 g/mol
Purity
95% - 99.99% (upto 5N)
Packaging
25 / 50 / 500 / 1000 kg bags
25 / 50 kg drums /
200 - 1000 ltr IBC
MOQ
1 T.E.U. (FCL)
Customization (incl. but not limited to)
for Grades / Forms / Specifications / Properties / Packaging available on request
Appearance ; Odor
Red Powder / Crystal ;
Amine-like Odor
Chemical Class
Azo / Monoazo / Diazo / MCT / VS / Bi-functional
Forms
Powder/Granular
IUPAC Name
5-[[4-chloro-6-[4-[[4-chloro-6-[[8-hydroxy-3,6-disulfo-7-[(2-sulfophenyl)diazenyl]naphthalen-1-yl]amino]-1,3,5-triazin-2-yl]amino]anilino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulfophenyl)diazenyl]naphthalene-2,7-disulfonic acid
Reactive red dyes are high-performance, water-soluble colorants engineered to form strong covalent bonds with cellulosic fibers, delivering a wide spectrum of shades ranging from bluish to neutral and yellowish reds. Designed with advanced reactive systems including vinyl sulfone, monochlorotriazine, and bifunctional chemistries, these dyes offer excellent build-up, high fixation efficiency, and consistent shade reproducibility. Their superior solubility and compatibility with modern dyeing processes ensure uniform penetration, controlled migration, and reliable performance across varying processing conditions.
These dyes are widely utilized across exhaust dyeing, cold pad batch, continuous dyeing, printing, and digital textile applications, supporting both conventional and sustainable manufacturing practices. With high exhaustion and low hydrolysis characteristics, they contribute to improved dye utilization, reduced effluent load, and optimized resource consumption. Available in multiple forms such as powders, granules, liquids, printing pastes, and digital ink formulations, they are suitable for cotton, viscose, linen, and blended substrates, making them an ideal choice for apparel, home textiles, and industrial textile applications requiring vibrant shades and durable fastness properties.
Our Reactive Red dyes are designed for bright to deep red shades with excellent build-up, high fixation, and superior wash and light fastness on cellulosic fibers, making them ideal for apparel, home textiles, fashion printing, and continuous processing.
| Grade (C.I.) | Strength (%) | Key Properties | Form | Applications |
|---|---|---|---|---|
| Reactive Red 2 | 100 – 120% | Bluish red tone, bright shade, good leveling | Powder / Microfine Powder / Liquid | Cotton dyeing (exhaust & jet), garment dyeing, fashion apparel, knitwear, casual wear, kidswear, light to medium shade textiles |
| Reactive Red 3 | 100 – 120% | Yellowish red, warm tone, good migration | Powder / Liquid | Cotton & viscose dyeing, sarees, ethnic wear, home furnishings, bed linens, blended fabrics (poly/cotton), yarn dyeing |
| Reactive Red 45 | 110 – 130% | High tinctorial strength, strong build-up | Powder / Granular | Deep shade dyeing, premium garments, export fabrics, upholstery, terry towels, denim over-dyeing, heavy fabrics |
| Reactive Red 120 | 110 – 130% | Bifunctional, high fixation, low hydrolysis | Powder / Granular / Liquid (Standardized) | High-end textiles, consistent batch production, fashion brands, uniform fabrics, workwear, institutional textiles |
| Reactive Red 180 | 105 – 125% | Excellent wash fastness, reproducible shades | Powder / Liquid | Premium garments, repeat dyeing lots, branded apparel, sportswear, hosiery, color matching applications |
| Reactive Red 195 | 110 – 135% | High build-up, deep red shades | Powder / Granular (High Strength) | Dark shade fabrics, luxury garments, fashion collections, upholstery textiles, curtains, decorative fabrics |
| Reactive Red P-2B | 100 – 115% | Bluish tone, sharp print definition | Powder / Printing Paste / Liquid | Screen printing, rotary printing, textile prints, fashion prints, kidswear prints, graphic textiles, promotional fabrics |
| Reactive Red P-4B | 100 – 115% | Bright red, high color yield | Powder / Printing Paste | High-end printing, designer wear, digital pre-treatment printing, home décor prints, furnishing fabrics, branding textiles |
| Reactive Red EX | 110 – 130% | High exhaustion (70–90%), low salt requirement | Microfine Powder / Granular | Exhaust dyeing, sustainable processing, low liquor ratio dyeing, eco-friendly textile production, bulk dyeing operations |
| Reactive Red HF / HFN | 110 – 130% | High fixation (65–85%), low hydrolysis | Powder / Liquid (Standardized / Pre-dissolved) | Deep red garments, export textiles, high fastness fabrics, uniforms, workwear, institutional clothing |
| Reactive Red Ultra | 120 – 140% | Very high build-up, intense deep red | High Strength Powder / Granular | Premium fashion textiles, luxury garments, deep shade dyeing, high-end upholstery, designer collections |
| Reactive Red CPB Grade | 100 – 120% | Stable for cold pad batch, consistent fixation | Liquid (Pre-dissolved) / Powder | Continuous dyeing, large-scale textile mills, batch processing, woven fabric dyeing, industrial textile production |
| Reactive Red Digital Ink | Standardized | High solubility, fine filtration, nozzle-safe | Liquid Ink (Ready-to-Use) | Digital textile printing, inkjet printing, customized garments, fast fashion production, on-demand textile printing, high-resolution fabric design |
Our Reactive Red dyes are tested as per internationally recognized ISO, AATCC, and DIN standards to ensure consistent shade reproducibility, high fixation, excellent fastness properties, and vibrant red tones on cellulosic fibers across dyeing and printing applications.
| Parameter | Test Method | Specification |
|---|---|---|
| Appearance | ISO 607: Visual assessment of dyes | Red powder / granular / liquid |
| Shade (Tone) | ISO 105-J01: Instrumental color measurement (CIELAB) | Bluish Red / Neutral Red / Yellowish Red (grade dependent) |
| Strength (Color Value) | ISO 105-J03: Relative color strength determination | 100 – 140% (relative to standard) |
| Solubility | ISO 105-Z09: Solubility and solution stability | ≥ 60 – 180 g/L (grade dependent) |
| pH (1% Solution) | ISO 105-Z07: Determination of pH of dye solution | 6.0 – 8.5 |
| Electrolyte Stability | ISO 105-Z10: Stability in presence of salt | Stable under 40 – 100 g/L salt conditions |
| Alkali Stability | ISO 105-Z08: Stability under alkaline conditions | Stable at pH 10 – 11 (soda ash fixation conditions) |
| Exhaustion Rate | ISO 105-C06 (Modified for dye uptake) | 70 – 90% |
| Fixation Rate | ISO 105-C06 / AATCC 61 | 65 – 85% |
| Wash Fastness | ISO 105-C06: Color fastness to washing | Grade 4 – 5 |
| Rubbing Fastness (Dry/Wet) | ISO 105-X12: Color fastness to rubbing | Dry: 4 – 5 | Wet: 3 – 4 |
| Light Fastness | ISO 105-B02: Xenon arc lamp (Blue Wool Scale) | 4 – 6 (shade dependent; deeper reds slightly lower) |
| Perspiration Fastness | ISO 105-E04: Acid and alkaline perspiration | Grade 4 – 5 |
| Chlorinated Water Fastness | ISO 105-E03: Chlorinated water resistance | Grade 3 – 4 |
| Migration / Leveling | ISO 105-A04: Assessment of staining | High leveling with controlled migration |
| Reproducibility | ISO 105-J03: Batch-to-batch consistency | ΔE ≤ 0.8 – 1.0 |
| Dissolution Time | Internal / ISO 105-Z09 Reference | ≤ 5 – 15 minutes (grade dependent) |
| Moisture Content | ISO 105-Z01: Moisture determination | ≤ 5% |
| Heavy Metals | ICP-OES / AAS (REACH / ZDHC compliant) | Within global regulatory limits |
| Property | Reactive Red 2 | Reactive Red 3 | Reactive Red 45 | Reactive Red 120 | Reactive Red 180 | Reactive Red EX | Reactive Red HF |
|---|---|---|---|---|---|---|---|
| Appearance | Red powder / liquid | Reddish powder | Deep red powder | Bright red powder / liquid | Standard red powder | Granular powder | Fine red powder |
| Solubility (g/L at 25°C) | 120 – 150 | 110 – 140 | 130 – 160 | 140 – 180 | 130 – 170 | 150 – 200 | 150 – 200 |
| Moisture (%) | ≤ 5.0 | ≤ 5.0 | ≤ 4.0 | ≤ 4.0 | ≤ 4.0 | ≤ 4.0 | ≤ 4.0 |
| pH (1% Solution) | 6.5 – 8.5 | 6.5 – 8.5 | 6.0 – 7.5 | 6.0 – 7.5 | 6.0 – 7.5 | 6.0 – 7.5 | 6.0 – 7.5 |
| Dissolution Time (min) | 5 – 10 | 5 – 12 | 8 – 12 | 5 – 10 | 5 – 10 | 5 – 8 | 5 – 8 |
| Electrolyte Stability (NaCl g/L) | 60 – 80 | 60 – 80 | 80 – 100 | 80 – 100 | 80 – 100 | 80 – 100 | 80 – 100 |
| Alkali Stability (pH) | 10 – 11 | 10 – 11 | 10.5 – 11.5 | 10.5 – 11.5 | 10.5 – 11.5 | 10.5 – 11.5 | 10.5 – 11.5 |
| Hydrolysis Rate (%) | 15 – 25 | 15 – 25 | 10 – 20 | 10 – 20 | 10 – 20 | 8 – 15 | 8 – 15 |
| Exhaustion (%) | 70 – 80 | 70 – 80 | 75 – 85 | 80 – 90 | 75 – 85 | 80 – 90 | 80 – 90 |
| Fixation (%) | 65 – 75 | 65 – 75 | 70 – 80 | 75 – 85 | 70 – 80 | 75 – 85 | 75 – 85 |
| Build-Up (Depth % Shade) | 2 – 4% | 2 – 4% | 3 – 5% | 4 – 6% | 3 – 5% | 4 – 6% | 4 – 6% |
| Wash Fastness | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 |
| Rubbing Fastness (Dry/Wet) | 4–5 / 3–4 | 4–5 / 3–4 | 4–5 / 3–4 | 4–5 / 3–4 | 4–5 / 3–4 | 4–5 / 3–4 | 4–5 / 3–4 |
| Light Fastness (Blue Wool) | 4 – 5 | 4 – 5 | 4 – 6 | 5 – 6 | 4 – 5 | 5 – 6 | 5 – 6 |
| Perspiration Fastness | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 | 4 – 5 |
| Chlorine Fastness | 3 – 4 | 3 – 4 | 3 – 4 | 4 | 3 – 4 | 4 | 4 |
| Color Strength (%) | 100 – 120 | 100 – 120 | 110 – 130 | 110 – 135 | 105 – 125 | 110 – 135 | 110 – 135 |
| Color Variation (ΔE) | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 | ≤ 0.8 | ≤ 1.0 | ≤ 0.8 | ≤ 0.8 |
| Leveling Index (%) | 85 – 92 | 85 – 92 | 88 – 95 | 90 – 96 | 88 – 95 | 90 – 96 | 90 – 96 |
| Migration Index (%) | 80 – 90 | 80 – 90 | 85 – 92 | 88 – 95 | 85 – 92 | 90 – 96 | 90 – 96 |
Vinyl sulfone-based reactive dye producing a bluish red shade with good leveling and migration properties, suitable for uniform dyeing on cotton and viscose.
Applications: Knitwear, casual garments, cotton fabrics, kidswear, light shade fashion textiles.
Warm tone reactive dye offering a yellowish red shade with good build-up and compatibility for cotton and blended fabrics.
Applications: Sarees, ethnic wear, home textiles, bed linens, blended fabrics, yarn dyeing.
High strength reactive red dye known for strong build-up and deep shade capability, ideal for heavy fabrics and premium textile applications.
Applications: Upholstery, denim over-dyeing, terry towels, heavy cotton fabrics, export textiles.
Bifunctional reactive dye offering high fixation, low hydrolysis, and excellent reproducibility, making it suitable for premium textile processing.
Applications: Fashion garments, uniforms, workwear, institutional textiles, branded apparel.
High-performance reactive red with excellent wash fastness and shade consistency, designed for repeated batch dyeing and premium applications.
Applications: Branded apparel, sportswear, hosiery, fashion textiles, repeat production dyeing.
Deep shade reactive red dye with high build-up and strong color depth, ideal for dark and luxury textile applications.
Applications: Luxury garments, curtains, upholstery, designer fabrics, deep shade fashion collections.
Printing grade reactive red with bluish tone, optimized for sharp print definition and high color yield in textile printing processes.
Applications: Textile printing, fashion prints, kidswear prints, graphic fabrics, promotional textiles.
Bright printing grade reactive red designed for high chroma output and vibrant textile prints.
Applications: Designer textiles, home décor prints, furnishing fabrics, branding textiles, fashion printing.
High exhaustion reactive dye optimized for low salt dyeing systems, supporting sustainable textile processing.
Applications: Sustainable dyeing, bulk processing, low liquor ratio systems, industrial textile production.
High fixation reactive dye series designed for deep shades with improved yield and reduced hydrolysis.
Applications: Export garments, uniforms, workwear, deep shade fabrics, institutional textiles.
Ultra high build-up reactive red dye delivering intense deep red shades with superior color strength.
Applications: Premium fashion, luxury garments, upholstery, designer collections, deep shade textiles.
Specialized reactive dye optimized for cold pad batch processing with stable reactivity and uniform fixation.
Applications: Continuous dyeing, woven fabrics, industrial textile processing, large-scale mills.
High purity reactive dye formulation designed for inkjet textile printing with excellent solubility and nozzle reliability.
Applications: Digital textile printing, customized garments, fast fashion, on-demand printing, high-resolution fabrics.
Reactive Red dyes, including standard vinyl sulfone grades (RR2, RR3, RR45), bifunctional high-fixation systems (RR120, HF/HFN), high-exhaustion grades (EX), printing grades (P-2B, P-4B), CPB grades, and digital ink formulations, are water-soluble reactive colorants that form covalent bonds with cellulosic fibers. While stable under recommended conditions, exposure to dye powders or concentrated solutions may cause skin irritation, eye irritation, or respiratory discomfort. Some reactive dyes may also exhibit skin sensitization potential in susceptible individuals. Proper industrial hygiene, controlled handling systems, and adherence to safety protocols are essential during storage, handling, and textile processing.
Safety Data Sheets (SDS) are available upon request for detailed information on occupational exposure limits, regulatory compliance (REACH, ZDHC, OEKO-TEX®), and safe handling practices.
Reactive Red dyes are supplied in multiple packaging formats depending on product form (powder, granular, liquid, printing paste, or digital ink) and textile processing requirements. Packaging systems are designed to ensure product stability, moisture protection, and safe handling across domestic and international supply chains.
Flexible packaging, labeling, and logistics solutions are available to meet specific textile processing requirements and customer supply chain needs.
Our Reactive Red dye portfolio supports sustainable textile manufacturing through high fixation efficiency, reduced effluent load, and compliance with global environmental and chemical management standards.
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